~~NOTOC~~
[[zone_control_api]] > [[BS2_GetAllDeviceZone]]

----

===== BS2_GetAllDeviceZone=====
Retrieves all Ethernet zones.
==== Supported devices ====
BioStation 2 (1.5.0 only) \\
BioStatioin A2 (1.4.0 only) \\
BioEntry P2 (1.0.0 only) \\
==== Declaration ====
<code cpp>
#include "BS_API.h"

int BS2_GetAllDeviceZone(void* context, BS2_DEVICE_ID deviceId, BS2DeviceZone** deviceZoneObj, uint32_t* numDeviceZone);
</code>

<callout type="info">
[[zone control api#BS2DeviceZone|See BS2DeviceZone Structure]]
</callout>
==== Parameter ====
  * [In] ''//context//'' : Context
  * [In] ''//deviceId//'' : Device ID
  * [Out] ''//deviceZoneObj//'' : Device zone list pointer
  * [Out] ''//numDeviceZone//'' : Number of Device zones
<WRAP indent>
<WRAP info 70%>
**NOTE**\\
The zoneObj variable needs to return the memory to the system by the [[BS2_ReleaseObject]] function after being used.
</WRAP>
</WRAP>
==== Return Value ====
If successfully done, ''BS_SDK_SUCCESS'' will be returned. \\
If there is an error, the corresponding error code will be returned.
\\
==== See Also ====
[[BS2_GetDeviceZone]]\\ [[BS2_SetDeviceZone]]\\ [[BS2_RemoveDeviceZone]]\\ [[BS2_RemoveAllDeviceZone]]